Philadelphia (PHL) to Basel Mulhouse Freiburg (BSL) flight deal in economy from $667

Tuesday, July 28th, 2026

8 round-trip options

Returning
Sun, Aug 2, 20265 Day Trip
$1,643 USD
Returning
Mon, Aug 3, 20266 Day Trip
$1,029 USD
Returning
Tue, Aug 4, 20267 Day Trip
$1,014 USD
Returning
Wed, Aug 5, 20268 Day Trip
$1,014 USD
Returning
Fri, Aug 7, 202610 Day Trip
$1,091 USD
Returning
Sat, Aug 8, 202611 Day Trip
$1,161 USD
Returning
Mon, Aug 10, 202613 Day Trip
$1,161 USD
Returning
Tue, Aug 11, 202614 Day Trip
$1,091 USD